Croft Ambrey hillfort
E845500
Croft Ambrey hillfort is an Iron Age hillfort in Herefordshire, England, known for its extensive earthworks and commanding views over the surrounding countryside.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Croft Ambrey hillfort canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10160081 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Croft Ambrey hillfort Context triple: [Mortimer Trail, passesNear, Croft Ambrey hillfort]
-
A.
Caer y Twr hillfort
Caer y Twr hillfort is an Iron Age defensive settlement located on the slopes of Holyhead Mountain on Anglesey in Wales.
-
B.
Maiden Castle hillfort
Maiden Castle hillfort is an ancient defensive earthwork located within the Lomond Hills of Fife, Scotland, notable for its prehistoric archaeological remains.
-
C.
Old Oswestry Hillfort
Old Oswestry Hillfort is a well-preserved Iron Age hillfort in Shropshire, England, renowned for its extensive earthworks and archaeological significance.
-
D.
Bedford Castle Mound
Bedford Castle Mound is the remaining earthwork of a former medieval castle in Bedford, England, now serving as a historic site and public viewpoint.
-
E.
Cissbury Ring
Cissbury Ring is a large Iron Age hill fort and prehistoric flint mine site in West Sussex, England, known for its extensive earthworks and archaeological significance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Croft Ambrey hillfort Target entity description: Croft Ambrey hillfort is an Iron Age hillfort in Herefordshire, England, known for its extensive earthworks and commanding views over the surrounding countryside.
-
A.
Caer y Twr hillfort
Caer y Twr hillfort is an Iron Age defensive settlement located on the slopes of Holyhead Mountain on Anglesey in Wales.
-
B.
Maiden Castle hillfort
Maiden Castle hillfort is an ancient defensive earthwork located within the Lomond Hills of Fife, Scotland, notable for its prehistoric archaeological remains.
-
C.
Old Oswestry Hillfort
Old Oswestry Hillfort is a well-preserved Iron Age hillfort in Shropshire, England, renowned for its extensive earthworks and archaeological significance.
-
D.
Bedford Castle Mound
Bedford Castle Mound is the remaining earthwork of a former medieval castle in Bedford, England, now serving as a historic site and public viewpoint.
-
E.
Cissbury Ring
Cissbury Ring is a large Iron Age hill fort and prehistoric flint mine site in West Sussex, England, known for its extensive earthworks and archaeological significance.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Iron Age hillfort
ⓘ
scheduled monument ⓘ |
| accessedFrom | Croft Castle car park ⓘ |
| constructedInCentury | 6th century BC ⓘ |
| excavatedBy | W. F. Grimes NERFINISHED ⓘ |
| excavatedInPeriod | 1960s ⓘ |
| hasAlternativeName | Croft Ambrey NERFINISHED ⓘ |
| hasApproxArea | about 4.5 hectares ⓘ |
| hasApproxElevation | about 400 metres above sea level ⓘ |
| hasArchaeologicalEvidence |
defensive rampart construction phases
ⓘ
roundhouse foundations ⓘ storage pits ⓘ |
| hasCountry | England NERFINISHED ⓘ |
| hasCounty | Herefordshire NERFINISHED ⓘ |
| hasEarthworks |
counterscarp bank
ⓘ
ditches ⓘ multiple ramparts ⓘ |
| hasFeature |
guard chambers at entrance
ⓘ
internal platforms for roundhouses ⓘ inturned entrance ⓘ terraced interior ⓘ |
| hasFind |
Iron Age pottery
ⓘ
Roman-period artefacts ⓘ metalwork items ⓘ quern stones ⓘ |
| hasFunction |
defensive stronghold
ⓘ
regional centre ⓘ settlement ⓘ |
| hasGridReference | SO 451 746 ⓘ |
| hasPeriod | Iron Age ⓘ |
| hasRegion | West Midlands NERFINISHED ⓘ |
| hasShape | roughly rectangular with rounded corners ⓘ |
| hasViewOf |
Shropshire Hills
NERFINISHED
ⓘ
Wales borderlands ⓘ |
| isAccessibleTo | the public ⓘ |
| listedOn | National Heritage List for England NERFINISHED ⓘ |
| locatedIn |
Croft and Yarpole parish
NERFINISHED
ⓘ
England ⓘ Herefordshire NERFINISHED ⓘ United Kingdom ⓘ |
| locatedNear | Croft Castle NERFINISHED ⓘ |
| locatedOn | Yatton Hill NERFINISHED ⓘ |
| managedBy | National Trust ⓘ |
| nearbySettlement | Yarpole NERFINISHED ⓘ |
| nearbyTown | Leominster NERFINISHED ⓘ |
| occupiedUntilCentury | 1st century AD ⓘ |
| overlooks |
Lugg Valley
NERFINISHED
ⓘ
surrounding countryside of north Herefordshire ⓘ |
| protectedAs | Scheduled Ancient Monument NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Croft Ambrey hillfort Description of subject: Croft Ambrey hillfort is an Iron Age hillfort in Herefordshire, England, known for its extensive earthworks and commanding views over the surrounding countryside.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.